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Finding the Fourth Proportional to 113,792.63, 157,021.92 and 62,804.42

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Solution

The fourth proportional to 113,792.63, 157,021.92 and 62,804.42 is: 86,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,792.63 : 157,021.92 = 62,804.42 : x
  2. Step 2: Convert to fraction form
    113,792.63/157,021.92 = 62,804.42/x
  3. Step 3: Cross multiply
    113,792.63x = 157,021.92 × 62,804.42
  4. Step 4: Simplify right side
    113,792.63x = 9,861,670,612.89
  5. Step 5: Solve for x
    x = 9,861,670,612.89/113,792.63
  6. Step 6: Final answer
    x = 86,663.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.